<template>
    <div>
        <!-- 面包屑导航区 -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!-- 卡片视图 -->
        <el-card class="box-card">
            <!-- 搜索与添加区域 -->
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
                        <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="dialogVisible = true">添加用户</el-button>
                </el-col>
            </el-row>
            <!-- 用户列表区 -->
            <el-table :data="userList" border stripe>
                <el-table-column type="index" label="#"></el-table-column>
                <el-table-column prop="username" label="姓名"></el-table-column>
                <el-table-column prop="email" label="邮箱"></el-table-column>
                <el-table-column prop="mobile" label="电话"></el-table-column>
                <el-table-column prop="role_name" label="角色"></el-table-column>
                <el-table-column label="状态" v-slot="scope">
                    <el-switch v-model="scope.row.mg_state" @change="userStateChange(scope.row)">
                    </el-switch>
                </el-table-column>
                <el-table-column label="操作">
                    <template v-slot="scope">
                        <!-- 修改按钮 -->
                        <el-button type="primary" icon="el-icon-edit" size="mini" @click="ShoweditDialog(scope.row.id)">
                        </el-button>
                        <!-- 删除按钮 -->
                        <el-button type="danger" icon="el-icon-delete" size="mini"
                            @click="removeUserById(scope.row.id)"></el-button>
                        <!-- 分配角色按钮 -->
                        <el-tooltip :enterable="false" effect="dark" content="分配角色" placement="top">
                            <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)">
                            </el-button>
                        </el-tooltip>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页区域 -->
            <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum" :page-sizes="[1, 2, 5, 10]" :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper" :total="total">
            </el-pagination>
        </el-card>
        <!-- 添加用户对话框 -->
        <el-dialog title="添加用户" :visible.sync="dialogVisible" width="50%" @close="addDialogClose">
            <!-- 内容 -->

            <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
                <!-- 用户名 -->
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="addForm.username"></el-input>
                </el-form-item>
                <!-- 密码 -->
                <el-form-item label="密码" prop="password">
                    <el-input v-model="addForm.password"></el-input>
                </el-form-item>
                <!-- 邮箱 -->
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="addForm.email"></el-input>
                </el-form-item>
                <!-- 手机号 -->
                <el-form-item label="手机号" prop="mobile">
                    <el-input v-model="addForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="dialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="addUser">确 定</el-button>
            </span>
        </el-dialog>
        <!-- 编辑用户对话框 -->
        <el-dialog title="编辑用户" :visible.sync="editDialogVisible" width="30%">
            <el-form :model="editForm" :rules="addFormRules" ref="editFormRef" label-width="70px">
                <el-form-item label="用户名">
                    <el-input v-model="editForm.username" disabled></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="editForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机号" prop="mobile">
                    <el-input v-model="editForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="editDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="editUserInfo">确 定</el-button>
            </span>
        </el-dialog>
        <!-- 分配角色对话框 -->
        <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="30%" @close="setRoleDialogClosed">
            <div>
                <p>当前用户：{{userInfo.username}}</p>
                <p>当前的角色：{{userInfo.role_name}}</p>
                <p>分配新角色：
                    <el-select v-model="selectedRoleId" placeholder="请选择">
                        <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
                        </el-option>
                    </el-select>
                </p>
            </div>
            <span slot="footer" class="dialog-footer">
                <el-button @click="setRoleDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
            </span>
        </el-dialog>
    </div>
</template>

<script>
    export default {
        name: 'VueShopUsers',

        data() {
            // 验证邮箱的规则
            var checkEmail = (rule, value, cb) => {
                // 验证邮箱的正则表达式
                const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
                if (regEmail.test(value)) {
                    // 合法的邮箱
                    return cb()
                }
                cb(new Error('请输入合法的邮箱'))
            }
            // 验证手机号的规则
            var checkMobile = (rule, value, cb) => {
                // 验证手机号的正则表达式
                const regMobile = /^1[3456789]\d{9}$/
                if (regMobile.test(value)) {
                    // 合法的手机号
                    return cb()
                }
                cb(new Error('请输入合法的手机号'))
            }
            return {
                queryInfo: {
                    query: '',
                    pagenum: 1,
                    pagesize: 2
                },
                userList: [],
                total: 0,
                dialogVisible: false,
                editDialogVisible: false,
                setRoleDialogVisible: false,
                // 添加用户的表单数据
                addForm: {
                    username: '',
                    password: '',
                    email: '',
                    mobile: ''
                },
                //添加表单的验证规则对象
                addFormRules: {
                    username: [
                        { required: true, message: '请输入用户名', trigger: 'blur' },
                        { min: 3, max: 10, message: '用户名长度在3-10个字符之间', trigger: 'blur' }
                    ],
                    password: [
                        { required: true, message: '请输入密码', trigger: 'blur' },
                        { min: 3, max: 10, message: '密码长度在6-15个字符之间', trigger: 'blur' }
                    ],
                    email: [
                        { required: true, message: '请输入邮箱', trigger: 'blur' },
                        { validator: checkEmail, trigger: 'blur' }
                    ],
                    mobile: [
                        { required: true, message: '请输入手机号', trigger: 'blur' },
                        { validator: checkMobile, trigger: 'blur' }
                    ],
                },
                // 查询到的用户信息对象
                editForm: {
                    username: '',
                    password: '',
                    email: '',
                    mobile: ''
                },
                // 分配角色用户信息
                userInfo: [],
                // 所有角色的数据列表
                rolesList: [],
                // 已选中的下拉菜单id值
                selectedRoleId: ''
            };
        },
        created() {
            this.getUserList()
        },
        mounted() {

        },

        methods: {
            async getUserList() {
                const { data: res } = await this.$http.get('/users', { params: this.queryInfo })
                if (res.meta.status !== 200) return this.$message.error('获取用户列表失败');
                this.userList = res.data.users;
                this.total = res.data.total
                console.log(res);
            },
            handleSizeChange(newSizes) {
                this.queryInfo.pagesize = newSizes
                this.getUserList()
            },
            handleCurrentChange(newPage) {
                this.queryInfo.pagenum = newPage
                this.getUserList()
            },
            //监听swich状态改变
            async userStateChange(userInfo) {
                const { data: res } = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
                if (res.meta.status !== 200) {
                    userInfo.mg_state = !userInfo.mg_state
                    return this.$message.error('更新用户状态失败！')
                }
                this.$message.success('更新用户状态成功！')
            },
            // 对话框关闭时清空状态
            addDialogClose() {
                this.$refs.addFormRef.resetFields()
            },
            // 添加用户
            addUser() {
                this.$refs.addFormRef.validate(async valid => {
                    if (!valid) return
                    // 发起添加用户的网络请求
                    const { data: res } = await this.$http.post('users', this.addForm)
                    if (res.meta.status !== 201) {
                        this.$message.error('添加用户失败')
                    }
                    this.$message.success('添加用户成功！')
                    // 隐藏添加用户的对话框
                    this.dialogVisible = false
                    this.getUserList()
                })
            },
            // 编辑用户对话框
            async ShoweditDialog(id) {
                const { data: res } = await this.$http.get('users/' + id)
                if (res.meta.status != 200) {
                    return this.$message.error('查询用户信息失败!')
                }
                this.editForm = res.data
                this.editDialogVisible = true
            },
            // 修改用户信息并提交
            editUserInfo() {
                this.$refs.editFormRef.validate(async valid => {
                    if (!valid) return
                    // 发起修改用户信息的数据请求
                    const { data: res } = await this.$http.put('users/' + this.editForm.id, {
                        email: this.editForm.email,
                        mobile: this.editForm.mobile
                    })
                    if (res.meta.status !== 200) {
                        return this.$message.error('更新用户信息失败')
                    }
                    this.editDialogVisible = false
                    this.getUserList()
                    this.$message.success('更新用户信息成功')
                })

            },
            async removeUserById(id) {
                const confirmResult = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
                }).catch(err => err)

                if (confirmResult != 'confirm') {
                    return this.$message.info('已取消删除')
                }

                const { data: res } = await this.$http.delete('users/' + id)
                if (res.meta.status !== 200) {
                    return this.$message.error('删除用户失败')
                }
                this.$message.success('删除用户成功')
                this.getUserList()
            },
            // 分配角色对话框
            async setRole(userInfo) {
                this.userInfo = userInfo

                const { data: res } = await this.$http.get('roles')
                if (res.meta.status !== 200) {
                    return this.$message.error('获取角色列表失败')
                }
                this.rolesList = res.data
                // 在展示对话框前获取所有角色列表
                this.setRoleDialogVisible = true
            },
            // 点击按钮分配角色
            async saveRoleInfo() {
                if (!this.selectedRoleId) {
                    return this.$message.error('请选择要分配的角色')
                }
                const {data:res} = await this.$http.put(`users/${this.userInfo.id}/role`, { rid: this.selectedRoleId })
                if(res.meta.status !== 200){
                    return this.$message.error('更新角色失败')
                }
                this.$message.success('更新角色成功')
                this.getUserList()

                this.setRoleDialogVisible = false
            },
            setRoleDialogClosed() {
                this.selectedRoleId = ''
                this.userInfo = {}
            }
        },
    };
</script>

<style scoped>

</style>